export default function RouteAsnyc() {
  return (
    <div>
      <h1>RouteAsnyc</h1>
      <p>RouteAsnyc....路由延迟加载</p>
      <p>通过useNavigation获取加载状态</p>
      <code>
        const navigation = useNavigation(); console.log(navigation.state); const
        isLoading = navigation.state === 'loading'; return{" "}
      </code>
    </div>
  );
}
